Let ∠1, ∠2, ∠3, and ∠4 have the following relationships. ∠1 and ∠2 are obtuse vertical angles.

∠3 is an acute angle adjacent to both ∠1 and ∠2.

∠3 and ∠4 are acute vertical angles.

What is the sum of the measure of ∠2 and the measure of ∠4?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

What is the value of x when x + 7 = 21?

Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.